Academic literature on the topic '4-Bromophenol'

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Journal articles on the topic "4-Bromophenol"

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Flodin, C., and F. B. Whitfield. "Biosynthesis of Bromophenols in Marine Algae." Water Science and Technology 40, no. 6 (1999): 53–58. http://dx.doi.org/10.2166/wst.1999.0260.

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The green marine alga Ulva lactuca is known to contain high concentrations of bromophenols. However, the biosynthetic pathways of their formation is not known. This study was aimed at identifying possible precursors of bromophenols. The bromophenol content and bromoperoxidase activity were measured in the alga collected every month from January to August 1997. Bromoperoxidases were extracted and incubated with various possible precursors of bromophenols and brominated reaction products were identified by gas chromatography-mass spectrometry. The results show that U. lactuca contains a bromoper
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Whitfield, F. B., K. J. Shaw, and D. I. Walker. "The Source of 2,6-Dibromophenol: Cause of an Iodoform Taint in Australian Prawns." Water Science and Technology 25, no. 2 (1992): 131–38. http://dx.doi.org/10.2166/wst.1992.0044.

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The presence of 2,6-dibromophenol in prawn meat in concentrations above 60 ng/kg produces a detectable iodoform-like flavour. This compound is usually accompanied by other bromophenols including .2- and 4-bromophenol, 2,4-dibromophenol and 2,4,6-tribromophenol. Previous studies have suggested that some marine algae and bryozoa from the Gutters region of Exmouth Gulf, Western Australia, were the possible sources of these compounds in the local endeavour prawn Metapenaeusendeavouri. Recently, a selection of eight marine algae, two bryozoa, a hydroid and eight sponges were collected from this reg
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Steward, Charles C., Terry C. Dixon, Yung Pin Chen, and Charles R. Lovell. "Enrichment and isolation of a reductively debrominating bacterium from the burrow of a bromometabolite-producing marine hemichordate." Canadian Journal of Microbiology 41, no. 7 (1995): 637–42. http://dx.doi.org/10.1139/m95-086.

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An anaerobic 2,4,6-tribromophenol debrominating bacterium, strain DSL-1, was isolated from enrichment cultures inoculated with sediment from the burrows of the bromoaromatic-producing marine hemichordates Balanoglossus aurantiacus and Saccoglossus kowalewskyi. DSL-1 preferentially removed ortho-position bromines, resulting in the transient appearance of 2,4-dibromophenol and accumulation of 4-bromophenol. Cell-free extracts and partially purified reductive debrominase preparations from DSL-1 also debrominated 2,4,6-tribromophenol, yielding 2,4-dibromophenol and 4-bromophenol. Both NADH and NAD
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Whitfield, F. B., F. Helidoniotis, D. Svoronos, K. J. Shaw, and G. L. Ford. "The source of bromophenols in some species of Australian ocean fish." Water Science and Technology 31, no. 11 (1995): 113–20. http://dx.doi.org/10.2166/wst.1995.0416.

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The carcass and gut contents of 10 species of fish caught along the eastern coast of Australia were analysed by gas chromatography-multiple ion detection-mass spectrometry for a range of bromophenols including 2- and 4-bromophenol, 2,4- and 2,6-dibromophenol and 2,4,6-tribromophenol. These bromophenols, the cause of iodoform-like off-flavours in seafoods, were found in eight of the above species; the largest total concentrations of bromophenols occurred in the commercially important species Nemadactylus douglasii (40 ng/g). The concentrations of bromophenols in another three species Branchiost
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Dong, Hui, Li Wang, Meng Guo, et al. "Antioxidant and Anticancer Activities of Synthesized Methylated and Acetylated Derivatives of Natural Bromophenols." Antioxidants 11, no. 4 (2022): 786. http://dx.doi.org/10.3390/antiox11040786.

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Natural bromophenols are important secondary metabolites in marine algae. Derivatives of these bromophenol are potential candidates for the drug development due to their biological activities, such as antioxidant, anticancer, anti-diabetic and anti-inflammatory activity. In our present study, we have designed and synthesized a series of new methylated and acetylated bromophenol derivatives from easily available materials using simple operation procedures and evaluated their antioxidant and anticancer activities on the cellular level. The results showed that 2.,3-dibromo-1-(((2-bromo-4,5-dimeth
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Piriou, P., C. Soulet, J. L. Acero, A. Bruchet, U. Von Gunten, and I. H. Suffet. "Understanding medicinal taste and odour formation in drinking waters." Water Science and Technology 55, no. 5 (2007): 85–94. http://dx.doi.org/10.2166/wst.2007.166.

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The formation of bromophenols during chlorination of phenol- and bromide-containing waters can be critical for taste and odour problems in drinking waters. The work performed has confirmed that flavour threshold concentrations of some bromophenols are in the ng/L range. In addition, under typical drinking water conditions, kinetic experiments and model simulations performed have shown that (1) bromination is the predominant reaction pathway, (2) bromophenol reaction kinetics are rapid leading to taste-and-odour episodes that last for short periods of 10–20 min, (3) increasing phenol concentrat
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Xia, Yamu, Qi Wang, and Jia You. "2-[(2-Aminophenylimino)phenylmethyl]-4-bromophenol." Acta Crystallographica Section E Structure Reports Online 63, no. 8 (2007): o3529. http://dx.doi.org/10.1107/s1600536807034228.

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Boyle, Alfred W., Craig D. Phelps, and L. Y. Young. "Isolation from Estuarine Sediments of aDesulfovibrio Strain Which Can Grow on Lactate Coupled to the Reductive Dehalogenation of 2,4,6-Tribromophenol." Applied and Environmental Microbiology 65, no. 3 (1999): 1133–40. http://dx.doi.org/10.1128/aem.65.3.1133-1140.1999.

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ABSTRACT Strain TBP-1, an anaerobic bacterium capable of reductively dehalogenating 2,4,6-tribromophenol to phenol, was isolated from estuarine sediments of the Arthur Kill in the New York/New Jersey harbor. It is a gram-negative, motile, vibrio-shaped, obligate anaerobe which grows on lactate, pyruvate, hydrogen, and fumarate when provided sulfate as an electron acceptor. The organism accumulates acetate when grown on lactate and sulfate, contains desulfoviridin, and will not grow in the absence of NaCl. It will not utilize acetate, succinate, propionate, or butyrate for growth via sulfate re
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Ashraf, Humaira, and Qayyum Husain. "Application of immobilized peroxidase for the removal of p-bromophenol from polluted water in batch and continuous processes." Journal of Water Reuse and Desalination 1, no. 1 (2011): 52–60. http://dx.doi.org/10.2166/wrd.2011.017.

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Concanavalin A layered calcium alginate-cellulose beads adsorbed and cross-linked peroxidase of Momordica charantia was employed for the treatment of p-bromophenol polluted water. Immobilized peroxidase showed remarkably higher storage stability and retained about 78% phenolic compound removal efficiency over a period of one-month's storage at 4 °C. After a fourth repeated use immobilized enzyme retained nearly 50% p-bromophenol removal efficiency. p-Bromophenol removal by immobilized enzyme was ∼84% in the presence of 0.1 mM HgCl2. A significantly higher concentration of p-bromophenol was rem
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Bahron, Hadariah, Siti Najihah Abu Bakar, Karimah Kassim, Chin Sing Yeap, and Hoong-Kun Fun. "(E)-2-[1-(3-Amino-4-chlorophenylimino)ethyl]-4-bromophenol." Acta Crystallographica Section E Structure Reports Online 66, no. 4 (2010): o883. http://dx.doi.org/10.1107/s1600536810009773.

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Book chapters on the topic "4-Bromophenol"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with 2-[(4-N,N′-dimethyl-aminophenylimino)-methyl]-4-bromophenol." In Magnetic Properties of Paramagnetic Compounds, Magnetic Susceptibility Data, Volume 7. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65895-6_166.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of binuclear copper(II) complex with {2, 6-bis[(N-methyl-piperazin-1-yl)methyl]-4-bromophenol}." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_308.

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M.N. Moustafa, Shaima, and Rania H. Taha. "Biosynthesis of Zinc Nanocomplex Employing for Plant Growth Promotion and Bio-Control of Pythium ultimum." In Organic Fertilizers [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100185.

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Green Biosynthesis method was used for the preparation of Zn(II) nano complex from the reaction of the schiff base ligand 2,2′-((1E,1′E)-(1,2-phenylenebis (azanylylidene)) bis(methanylylidene))bis(4-bromophenol) and Zn(II)sulphate. The nano complex was characterized by different physicochemical methods. Zinc nanoparticles (ZnNP-T) will be studied as an antifungal agent. In this study, we will investigate the ability of the myogenic Zinc nanoparticles for plant Growth Promotion and Bio-control of Pythium ultimum.
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Beena, T., L. Sudha, A. Nataraj, and G. Mariappan. "DFT Computational Insights into Structural, Dielectric and Spectroscopic parameters of 2-((3,4-dichlorophenyl imino)methyl)-4 Bromophenol-A Concise Experimental Approach." In Current Topics and Emerging Issues in Materials Sciences Vol. 2. B P International (a part of SCIENCEDOMAIN International), 2023. http://dx.doi.org/10.9734/bpi/cteims/v2/1097g.

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Conference papers on the topic "4-Bromophenol"

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Beena, T., L. Sudha, A. Nataraj, and G. Mariappan. "Spectroscopic studies, vibrational analysis and dielectric studies of 2-((3,4-dichlorophenyl imino)methyl)-4 bromophenol." In 7TH NATIONAL CONFERENCE ON HIERARCHICALLY STRUCTURED MATERIALS (NCHSM-2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5114609.

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